1 /* 2 * Copyright (C) 2012 Google Inc. All rights reserved. 3 * 4 * Redistribution and use in source and binary forms, with or without 5 * modification, are permitted provided that the following conditions 6 * are met: 7 * 1. Redistributions of source code must retain the above copyright 8 * notice, this list of conditions and the following disclaimer. 9 * 2. Redistributions in binary form must reproduce the above copyright 10 * notice, this list of conditions and the following disclaimer in the 11 * documentation and/or other materials provided with the distribution. 12 * 13 * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS'' AND ANY 14 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 15 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE 16 * DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS BE LIABLE FOR ANY 17 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES 18 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 19 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON 20 * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 21 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS 22 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 23 */ 24 25 #ifndef WebTransformAnimationCurve_h 26 #define WebTransformAnimationCurve_h 27 28 #include "WebCommon.h" 29 #include "WebCompositorAnimationCurve.h" 30 #include "WebTransformKeyframe.h" 31 32 namespace blink { 33 34 // A keyframed transform animation curve. 35 class WebTransformAnimationCurve : public WebCompositorAnimationCurve { 36 public: 37 virtual ~WebTransformAnimationCurve() { } 38 39 // Adds the keyframe with the default timing function (ease). 40 virtual void add(const WebTransformKeyframe&) = 0; 41 virtual void add(const WebTransformKeyframe&, TimingFunctionType) = 0; 42 // Adds the keyframe with a custom, bezier timing function. Note, it is 43 // assumed that x0 = y0 = 0, and x3 = y3 = 1. 44 virtual void add(const WebTransformKeyframe&, double x1, double y1, double x2, double y2) = 0; 45 }; 46 47 } // namespace blink 48 49 #endif // WebTransformAnimationCurve_h 50